20850970

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{6079}}^1$

素因数の和:6107

約数の個数: 32

約数和(自身を含む): 43776000

約数和(自身を除く): 22925030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 6079, 12158, 30395, 42553, 60790, 85106, 212765, 297871, 425530, 595742, 1489355, 2085097, 2978710, 4170194, 10425485, 20850970]

約数ペア:

[(1, 20850970), (2, 10425485), (5, 4170194), (7, 2978710), (10, 2085097), (14, 1489355), (35, 595742), (49, 425530), (70, 297871), (98, 212765), (245, 85106), (343, 60790), (490, 42553), (686, 30395), (1715, 12158), (3430, 6079)]